[  423.726620] irq 4: nobody cared (try booting with the "irqpoll" option)
[  423.726751] CPU: 3 UID: 0 PID: 4492 Comm: perl Not tainted 6.12.0-rc2-virtme #1
[  423.726815] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  423.726892] Call Trace:
[  423.726920]  <IRQ>
[  423.726982]  dump_stack_lvl+0x55/0x70
[  423.727034]  __report_bad_irq+0x2b/0xc0
[  423.727080]  note_interrupt+0x2a7/0x2f0
[  423.727120]  handle_irq_event+0x72/0x80
[  423.727153]  handle_edge_irq+0x8b/0x230
[  423.727182]  __common_interrupt+0x3c/0xb0
[  423.727216]  common_interrupt+0x80/0x90
[  423.727248]  </IRQ>
[  423.727271]  <TASK>
[  423.727292]  asm_common_interrupt+0x26/0x40
[  423.727340] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  423.727400] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d 0c 7b 08 6f <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  423.727561] RSP: 0018:ffffb39ec178bd60 EFLAGS: 00000286
[  423.727605] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  423.727667] RDX: ffffffff90b9afbd RSI: 0000000000000282 RDI: ffffffff9250b120
[  423.727719] RBP: ffff9e53c1d68000 R08: 00000062b9d892d4 R09: 0000000000000001
[  423.727774] R10: ffff9e53c12929f8 R11: 0000000000000000 R12: 0000000000000001
[  423.727831] R13: ffffffff9250b120 R14: 0000000000000282 R15: ffff9e53c1292800
[  423.727886]  ? rpm_suspend+0x1ad/0x5e0
[  423.727927]  uart_write+0xb2/0x270
[  423.727964]  n_tty_write+0x1a3/0x520
[  423.727999]  ? __pfx_woken_wake_function+0x10/0x10
[  423.728039]  file_tty_write.constprop.0+0x147/0x330
[  423.728078]  vfs_write+0x335/0x470
[  423.728118]  ksys_write+0x63/0xe0
[  423.728147]  do_syscall_64+0x9e/0x1a0
[  423.728182]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  423.728227] RIP: 0033:0x7f4f59528957
[  423.728260] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[  423.728391] RSP: 002b:00007ffe5fefcb78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  423.728456] RAX: ffffffffffffffda RBX: 000055aa503961f0 RCX: 00007f4f59528957
[  423.728518] RDX: 0000000000000001 RSI: 000055aa503961f0 RDI: 0000000000000001
[  423.728579] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  423.728632] R10: 0000000000000001 R11: 0000000000000246 R12: 000055aa50382580
[  423.728697] R13: 000055aa503632a0 R14: 0000000000000001 R15: 000055aa50382580
[  423.728752]  </TASK>
[  423.728775] handlers:
[  423.728796] [<00000000a5aa211d>] serial8250_interrupt
[  423.728842] Disabling IRQ #4